/*
 * VariantArrayMessage.h - class for sending/receiving a variant array as message
 *
 * Copyright (c) 2017-2021 Tobias Junghans <tobydox@veyon.io>
 *
 * This file is part of Veyon - https://veyon.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#pragma once

#include <QBuffer>
#include <QVariant>

#include "VariantStream.h"

// clazy:excludeall=rule-of-three

class VEYON_CORE_EXPORT VariantArrayMessage
{
public:
	using MessageSize = quint32;

	explicit VariantArrayMessage( QIODevice* ioDevice );

	bool send();

	bool isReadyForReceive();

	bool receive();

	QVariant read(); // Flawfinder: ignore

	bool atEnd() const
	{
		return m_buffer.atEnd();
	}

	VariantArrayMessage& write( const QVariant& v );

	QIODevice* ioDevice() const
	{
		return m_ioDevice;
	}

private:
	enum {
		MaxMessageSize = 1024*1024*32
	};

	QBuffer m_buffer{};
	VariantStream m_stream;
	QIODevice* m_ioDevice;

} ;
